For citations:
Katkov K.A., Skorykh L.N., Pashtetsky V.S., Ostapchuk P.S., Kuevda T.A. Mathematical methods in the breeding evaluation of small horned ruminants. South of Russia: ecology, development. 2019;14(3):101-110. (In Russ.) https://doi.org/10.18470/1992-1098-2019-3-101-110